Wristwatch case



FIG. 1 is a rear left perspective view of a wristwatch case showing mynew design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front right perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

CLAIM The ornamental design for a wristwatch case, as shown.